"Kitty Carroll, an attractive store model, volunteers to become a test subject for a machine that will make her invisible so that she can use her invisibility to exact revenge on her ex-boss."
Virginia Bruce
as Kitty Carroll
John Barrymore
as Professor Gibbs
John Howard
as Richard Russell
Charles Ruggles
as George
Oskar Homolka
as Blackie
Edward Brophy
as Bill
Donald MacBride
as Foghorn
Margaret Hamilton
as Mrs. Jackson
Shemp Howard
as Frankie
Anne Nagel
as Jean
Kathryn Adams
as Peggy
Maria Montez
as Marie
Charles Lane
as Growley
Mary Gordon
as Mrs. Bates
Thurston Hall
as Hudson
Eddie Conrad
as Hernandez
Harry C. Bradley
as Want-Ad Clerk (uncredited)
Kernan Cripps
as Postman (uncredited)
Sarah Edwards
as Showroom Buyer (uncredited)
Kay Leslie
as Model (uncredited)
Kay Linaker
Frank McLure
as Guest at Parade of Models (uncredited)
Kitty O'Neil
as Mrs. Patten (uncredited)
Robert Lees
Screenplay
Frederic I. Rinaldo
Gertrude Purcell
A. Edward Sutherland
Director
Curt Siodmak
Original Story
Joe May
Burt Kelly
Associate Producer
Frank Skinner
Original Music Composer
Elwood Bredell
Director of Photography
Frank Gross
Editor
Jack Otterson
Art Direction
Russell A. Gausman
Set Decoration
Vera West
Costume Design
John P. Fulton
Visual Effects
Roswell A. Hoffmann
Joseph A. McDonough
Assistant Director
Richard H. Riedel
Bernard B. Brown
Sound Supervisor
Joe Lapis
Sound
David S. Horsley
Special Effects
Virgil W. Vogel
Assistant Editor
Charles Previn
Music Director